Basic Math Examples

$\frac{- b^{2}}{2} \cdot (2 b)$

Step 1

Rewrite using the commutative property of multiplication.

$2 \frac{- b^{2}}{2} b$

Step 2

Cancel the common factor of $2$ .

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Step 2.1

Cancel the common factor.

$2 \frac{- b^{2}}{2} b$

Step 2.2

Rewrite the expression.

$- b^{2} b$

Step 3

Multiply $b^{2}$ by $b$ by adding the exponents.

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Step 3.1

Move $b$ .

$- (b \cdot b^{2})$

Step 3.2

Multiply $b$ by $b^{2}$ .

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Step 3.2.1

Raise $b$ to the power of $1$ .

$- (b^{1} b^{2})$

Step 3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- b^{1 + 2}$

Step 3.3

Add $1$ and $2$ .

$- b^{3}$